A kind of solder used on interconnection strips of solar cell modules
A technology of solar cells and interconnection strips, which is applied in the direction of electrical components, welding/cutting media/materials, circuits, etc., can solve problems affecting the efficacy of components, improve solderability, increase peel strength, reduce resistivity and Effect of Alloy Melting Point
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Embodiment 1
[0033] The solder used on the solar cell module interconnection strip in this embodiment is composed of the following components by weight percentage: tin: 62wt%, bismuth: 1.0wt%, antimony: 2.0wt%, gallium: 0.03wt%, indium: 1.5wt%, germanium: 1wt%, titanium: 0.1wt%, nickel: 0.5wt%, palladium: 0.005wt%, phosphorus: 0.015wt%, silver: 2.0wt%, and the balance is lead.
[0034] The above-mentioned method for preparing the solder on the solar cell module interconnection strip is as follows:
[0035] Pre-treatment: clean the oil and oxides on the surface of the substrate by alkali washing and pickling;
[0036] Hot-dip plating: immerse the substrate in a molten metal solution configured by weight percentage, and the hot-dip plating temperature is 220 degrees Celsius to form a coating;
[0037] Post-processing: surface chemical treatment, tape making, cutting and winding.
Embodiment 2
[0039] The solder used on the solar cell module interconnection strip in this embodiment is composed of the following components by weight percentage: tin: 64wt%, bismuth: 0.01wt%, antimony: 0.01wt%, gallium: 0.015wt%, indium: 0.05wt%, germanium: 0.005wt%, titanium: 0.005wt%, nickel: 0.05wt%, palladium: 0.1wt%, phosphorus: 0.03wt%, silver: 0.5wt%, and the balance is lead.
[0040] The above-mentioned method for preparing the solder on the solar cell module interconnection strip is as follows:
[0041] Pre-treatment: clean the oil and oxides on the surface of the substrate by alkali washing and pickling;
[0042] Hot-dip plating: immerse the substrate in a molten metal solution configured by weight percentage, and the hot-dip plating temperature is 240 degrees Celsius to form a coating;
[0043] Post-processing: surface chemical treatment, tape making, cutting and winding.
Embodiment 3
[0045] The solder used on the solar cell module interconnection strip in this embodiment is composed of the following components by weight percentage: tin: 62.5wt%, bismuth: 0.5wt%, antimony: 1.0wt%, gallium: 0.025wt%, indium : 1.5wt%, germanium: 0.5wt%, titanium: 0.05wt%, nickel: 0.5wt%, palladium: 0.005wt%, phosphorus: 0.15wt%, silver: 1.0wt%, and the balance is lead.
[0046] The above-mentioned method for preparing the solder on the solar cell module interconnection strip is as follows:
[0047] Pre-treatment: clean the oil and oxides on the surface of the substrate by alkali washing and pickling;
[0048] Hot-dip plating: immerse the substrate in a molten metal solution configured by weight percentage, and the hot-dip plating temperature is 220 degrees Celsius to form a coating;
[0049] Post-processing: surface chemical treatment, tape making, cutting and winding.
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